Group items tagged

"Gallery Banner Beginning in 1946, two XS-1 experimental research aircraft (later redesignated X-1s) conducted pioneering tests at Muroc Army Air Field (now Edwards Air Force Base) in California to obtain flight data on conditions in the transonic speed range. These early tests culminated on October 14, 1947, in the first piloted flight faster than Mach 1.0, the speed of sound. The XS-1 was the first high-speed aircraft built purely for aviation research purposes. The model was never intended for production. The XS-1 was designed largely in accordance with specifications provided by the National Advisory Committee for Aeronautics (NACA) [now National Aeronautics and Space Administration], paid for by the Army Air Forces, and built by Bell Aircraft Inc. The XS-1 #2 (serial number 46-063) was flight tested by the NACA to provide design data for later production high-performance aircraft. The research techniques used in the X-1 program became the pattern for all subsequent X-craft projects. The NACA X-1 procedures and personnel also helped lay the foundation of America's space program in the 1960s. The X-1 project defined and solidified the post-war cooperative union between U.S. military needs, industrial capabilities, and research facilities. The flight data collected by the NACA in the X-1 tests then provided a basis for American aviation supremacy in the latter half of the 20th century. As a result of the X-1's initial supersonic flight, the National Aviation Association voted its 1948 Collier Trophy to be shared by the three main participants in the program. Honored at the White House by President Truman were Lawrence "Larry" Bell for Bell Aircraft, Captain Charles E. "Chuck" Yeager for piloting the flights, and John Stack of NACA for the NACA contributions. "

created by elem. students.

""Centennial of Flight Day: December 17, 2003""

"On July 20, 1969, the human race accomplished its single greatest technological achievement of all time when a human first set foot on another celestial body."

"The JSC History Portal offers access to the JSC History Collection, other JSC history materials, and hundreds of NASA history web pages."

NASA homepage

A Primer of Gemstones Where do diamonds fit into the pantheon of gems? Here, we present 20 of the world's most prized gemstones, together with the properties that experts use to distinguish them from one another and from artificial lookalikes. Click on the gems at left and become, for the moment, a gemologist.

neat site that tells where in the US you can find various gemstones native to the area.

" As colorful as the rainbow and as sparkling as fine leaded crystal, gemstones have captured the imaginations and desires of men and perhaps especially, women, for ages. The pursuit of gems have become the subject of legends, fairy tales, epics, and major motion pictures ("Romancing the Stone", for one). Today, more fine gemstone specimens are available to the average person than at any time in history. "

another fun anatomy game

great info, also in spanish

"Software for interactive molecular exploration in High School Biology courses."

good site to help study biology and ecology

fun game for anatomy

""Imagine an electronic page for each species of organism on Earth..." - Edward O. Wilson "

game

biology teacher resource